Just absolutely wreck all of reality just because I can

Again, she can't do that

Yeah

Find a way to turn back into a man

Obliterates everything and makes love with Vision

I use my reality altering powers to make a reality where book of boba is actually good.

Er-alter reality so that it is good.

Char already expressed mine.

Take my powers for a test drive without the killing

Immediately become myself again. Being Wanda would probably be a mess and uncomfortable in general, especially with the gender switch (for myself personally). Not only that, I would have no way to understand how she actually uses her powers. I really prefer my own body, thanks.